Summary statistics for 2009_surg_discharges_hrr dataset :

by Jean Roth , jroth@nber.org , 14 Mar 2018

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   hrrnumber |        307    251.0912    131.2625          1        999
    hrrlabel |          0
medicar~2009 |        307    180843.2     1581424      15817   2.78e+07
allsurgica~i |        307    93.71166    10.10408      40.58     117.36
abdominala~r |        304    .6974671    .7290772      -1.64       1.71
-------------+---------------------------------------------------------
backsurger~l |        307    5.006254    1.494001       1.44      10.09
coronaryan~a |        307    16.58508    4.621644       6.15      32.76
coronaryar~g |        307    3.509218     .961685       1.48       8.07
percutaneo~n |        307    8.115863    2.723592       2.62      21.24
carotidend~i |        307    2.223388    .8121256        .43       6.63
-------------+---------------------------------------------------------
cholecyste~n |        307    3.495537    .7504286       1.34       6.16
hospitaliz~r |        307    7.009805    1.046299       2.76      10.46
hipreplace~r |        307      3.8757    .9090089       1.37       7.08
kneereplac~n |        307     9.15798      1.8035       3.35      14.73
mastect~1000 |        271    .1531365    1.033687      -2.48       1.83
-------------+---------------------------------------------------------
resectionf~e |        306    .5901634    .7785154       -1.7       1.85
lowerextre~p |        298    .7165101     .729895      -2.08       2.86
transureth~n |        303    2.373795    1.909933      -9.15       6.31
radicalpro~m |        286    .5562238    1.523608      -3.87        4.2
aorticmitr~1 |        307    1.400945    .5048083      -2.02       2.49

by Jean Roth , jroth@nber.org , 14 Mar 2018